2-Chloronaphthalene-d7 Back Catalog number: 72057 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 19042 EPA Method 508 Surrogate Standard Price on request 2942.9-100-NN beta-Endosulfan-d4 (1,1,5,5-d4),100 µg/mL,n-nonane,1mL, Price on request 2207.18-10MG 1-Fluoro-3-hydroxychrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. Price on request